Home / 25,453.73-38,165.26-11,411.22

Finding the Fourth Proportional to 25,453.73, 38,165.26 and 11,411.22

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Solution

The fourth proportional to 25,453.73, 38,165.26 and 11,411.22 is: 17,109.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,453.73 : 38,165.26 = 11,411.22 : x
  2. Step 2: Convert to fraction form
    25,453.73/38,165.26 = 11,411.22/x
  3. Step 3: Cross multiply
    25,453.73x = 38,165.26 × 11,411.22
  4. Step 4: Simplify right side
    25,453.73x = 435,511,930.33
  5. Step 5: Solve for x
    x = 435,511,930.33/25,453.73
  6. Step 6: Final answer
    x = 17,109.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.